diff --git a/src/main/java/com/googlesource/gerrit/plugins/gitrepometrics/collectors/GitStatsMetricsCollector.java b/src/main/java/com/googlesource/gerrit/plugins/gitrepometrics/collectors/GitStatsMetricsCollector.java
index aa01d1a..bb9d9cd 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/gitrepometrics/collectors/GitStatsMetricsCollector.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/gitrepometrics/collectors/GitStatsMetricsCollector.java
@@ -33,8 +33,6 @@
   public static String sizeOfPackedObjects = "sizeOfPackedObjects";
   public static String numberOfBitmaps = "numberOfBitmaps";
 
-  public GitStatsMetricsCollector() {}
-
   @Override
   public HashMap<String, Long> collect(FileRepository repository, String projectName) {
     HashMap<String, Long> metrics = new HashMap<>(availableMetrics().size());
diff --git a/src/test/java/com/googlesource/gerrit/plugins/gitrepometrics/GitRepoMetricsCacheIT.java b/src/test/java/com/googlesource/gerrit/plugins/gitrepometrics/GitRepoMetricsCacheIT.java
index f9693ac..8882edd 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/gitrepometrics/GitRepoMetricsCacheIT.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/gitrepometrics/GitRepoMetricsCacheIT.java
@@ -35,6 +35,8 @@
 public class GitRepoMetricsCacheIT extends LightweightPluginDaemonTest {
 
   @Inject MetricRegistry metricRegistry;
+  @Inject FSMetricsCollector fsMetricsCollector;
+  @Inject GitStatsMetricsCollector gitStatsMetricsCollector;
 
   @Test
   @UseLocalDisk
@@ -50,9 +52,8 @@
             .collect(Collectors.toList());
 
     int expectedMetricsCount =
-        new GitStatsMetricsCollector().availableMetrics().size()
-            + new FSMetricsCollector().availableMetrics().size();
-
+        gitStatsMetricsCollector.availableMetrics().size()
+            + fsMetricsCollector.availableMetrics().size();
     assertThat(repoMetricsCount.size()).isEqualTo(availableProjects.size() * expectedMetricsCount);
   }
 }